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Re: GTEI Filtering ICMP Echo/Echo Replies?
>From ICON: [email protected][/var/www/apache/myadmin]# ping www.bbn.com PING www.bbn.com (18.104.22.168): 56 data bytes ^C --- www.bbn.com ping statistics --- 4 packets transmitted, 0 packets received, 100% packet loss >From Genuity: motel-6 [/home/spork]# ping www.bbn.com PING www.bbn.com (22.214.171.124): 56 data bytes 64 bytes from 126.96.36.199: icmp_seq=0 ttl=244 time=44.895 ms 64 bytes from 188.8.131.52: icmp_seq=1 ttl=244 time=52.813 ms 64 bytes from 184.108.40.206: icmp_seq=2 ttl=244 time=39.077 ms As a bbn customer, I can say that we have not been informed of any such policy, and they are not filtering for us. Charles On Fri, 31 Dec 1999, Martin, Christian wrote: > > Happy Y2K to all! Looks as if GTEI has begun filtering ICMP type 0 and 8 (I > hope that's all) through their backbone. I heard that this was because of > DoS threats, but I haven't seen any other commentary on the subject. GTEIs > NOC claims that they have made no changes. From some places I can get > through the network, but others fail. CERFNet and others are clean. > Traceroute works fine everywhere. Has anyone else seen anything similar? > > Regards, > Christian >